Question about Mitsubishi VS-45605 50" Rear Projection Television

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Static or popping sound

After my TV has been on for about 20 minutes it starts making a snapping or popping sound (static discharge). Eventually it will shut the TV off.

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This model is equipped with a self-diagnosis feature to help with diagnosis of shutdown problems, to activate this turn the unit on let it shutdown then press the input and menu buttons on the front panel simultaneously and hold them in for 5 seconds after 5 seconds the power LED on the front panel will blink a two digit sequence. This will be one set of blinks a short pause then another set of blinks, this will repeat 5 times. 1 - 2 = no error detected 2 - 1 = X-ray protect (high voltage or beam current) 2 - 2 = Short protect (short protect monitors low voltage supplies) 2 - 3 = Deflection protect (this could be loss of vertical or horizontal deflection) 2 - 4 = Vertical protect (usually loss of vertical from the source.

Posted on Aug 21, 2007

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Posted on Jan 02, 2017

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1 Answer

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It shuts its self off picture is still great everything works great it just makes a loud pop and shuts its self off i can turn it back on after a few minutes sometimes it shuts off again minutes later and...


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1 Answer

TV video/audio problem


It may not need repair or replacement.
Unplug the set at least overnight; the CRT (picture tube) has voltages that may be as high as 30,000 volts and take time to bleed off. Believe me, it stings if it bites you.
Remove the rear housing of the set, then use a clean (preferably new) 2-3" paint brush to whisk away any dust deposits you see. This works best with the nozzle of your vacuum cleaner near the area you are cleaning.
The problem you describe can be caused by an accumulation of dust that is picking up moisture from the air and temporarily creating a path for high voltage to discharge which can cause all kinds of strange occurances such as you describe. The warmup of the set dries out this moisture removing the discharge path.    If you don't remove this dust buildup, it will eventually damage the high voltage circuit if not others as well. That high voltage is a healthy static charge and wasn't designed to supply a lot of current which it has to do when discharging.

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1 Answer

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sounds like a lamp failure.

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it may just be a static buildup from the dust.
open the tv and blow it out with a air compressor.
if that doest not work then the circuit may be overloading.
remember it stores a charge for days.

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1 Answer

Popping noise


Does the " popping" noise come through the speakers or from the TV chassis ? If it is coming through the speakers you could have a bad solder joint somewhere in the tuning circuit. If it is a snapping sound coming from the chassis, then you probably have something arcing in the high voltage circiut. If this is the case then you should have it checked out since this can cause other parts to short shutting down you set completely.

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